SDBGDS101_30
GDS101
Replacement procedure
This instruction leaet will help you change the unit without loosing your settings. Follow
the guide step by step.
Estimated time: 10 - 30 minutes
It is recomended that you take a photo of your wiring, and photo or print of the status screen
(Screen 9) before you start.
Fill in your values in the yellow part of the table. (If the same as default value, you do not
need to ll in)
To get to the Setup Menus press and hold
Fig. 2.6 Screen 5, Language and units of measure Setup.
This screen shows the main graphic echo-gram. Left hand digital indication may be enabled from screen 2.
Soft Key 1. SET LOW 24/28/30/33/38KHz Adjust indicated frequency of lower frequency channel.
(see chapter 5. Low frequency indication )
Soft Key 2 LANGUAGE English etc. Screen language selection.
Soft Key 3 DEPTH m etc. Unit of measurement for depth.
Soft Key 4 PICT.SPEED m:s/div etc. Unit of measurement for picture speed.
Soft Key 5 VESSEL SPEED knots etc. Unit of measurement for vessel speed.
Soft Key 6 SOUND SPEED m/s etc. Unit of measurement for sound speed.
Setting What it does Connection Is it USED? / Setting Default
SET LOW THe Low frequency (38kHz)
Channel can be factory modied to these frequencies.
This is not normal on ex-
change units
Only available if you have
selected the lowest frequency
on screen 3
Language Display language English
Depth Units 1S
Vessel Speed Units knots
Sound speed Units m/sec
J100
Pin
Pin
38 kHz
Fig. 2.7 Screen 6, Interface Setup screen.
This screen shows the main graphic echo-gram. Left hand digital indication may be enabled from screen 2.
Soft Key 1. PULSE 100/200/400/20000 Log pulse input calibration.
Soft Key 2 ENABLE pos/neg select polarity of external sync signal
(remote sounding control option)
Soft Key 3 NMEA OUT async(1s) / Select between synchronous (with sampling rate)
synchronous and asynchronous (1s period) NMEA output update.
Soft Key 4 not used
Soft Key 5 UPPER 0 - 98m Analogue output shallow limit = 0V.
Soft Key 6 LOWER 0 - 99m Analogue output deep limit = 10V.
Setting What it does Connection Is it USED? / Setting Default
PULSE Selects the rate J100
Pins 6,7
ENABLE External synchronise (ONLY
Special / Navy version )
NMEA OUT How often to send NMEA
(every second, or when a ping
comes.)
UPPER Shallow water alarm value 0
LOWER Deep water alarm value 50
J100
Pins 12,13
9pin D Type 1S
FWD
positive
NMEA Communication Settings
Check which NMEA sentences are in use by checking the STATUS on the Com scereen, Screen 8.
To get to this screen press and hold the screen button and rotatate the encoder simultaniously.
Press the Soft button marked MESSAGE and note the STATUS for each message below:
NMEA Message What it shows Is it used (Place tick) Default
DPT Message Depth below keel and surface ON
DBS Message Depth below surface OFF
DBT Message Depth Below Transducer (not reco-
mended)
DBK Message Depth below keel OFF
PSKP Message Depth below keel and surface,
Transducer position
Checksum Turn on or off checksum testing ON
EN250 Proprietry Message OFF
EN250 D# Proprietry message OFF
XDR Sounder synchronisation informa-
tion
OFF
ON
OFF
BAUD Rate Speed of Coms (4800 default) 4800
Other input/output Settings, Screen 9
Screen 9, System Status Screen.
This screen shows a comprehensive list of system settings and parameters.
Soft Key 1. PRINT screen Print screen.
Soft Key 2 PRINTER HP DeskJet / Epson (Lq300+) / Epson D88 / Built-in thermal printer.
Select type off printer that are connected.
Soft Key 3 FIX RANGE on/off Limit Search Range to Window
on FIX RANGE gives better detection in case of
noisy signal.
Soft Key 4 ALARM on/off Internal Alarm Buzzer Control.
Soft Key 5 VESSEL merchant1/2, Navy1/2 Upper right Screen Icon Selection.
Soft Key 6 SIMULATE on/off Built-in Simulator Control.
This screen contains the settings for all the other interfaces. analogue, pulse and alarm. Place a ring around
the setting you have on your unit. (NOTE: if these are not conected you do not need to note down, the defaults will be enough)
Setting What it does Connection Is it USED? / Setting Default
Printer Select printer type LPT port EPSON D88
Fix Range Lock the depth range (reco-
mended)
Alarm Internal buzzer enable OFF
Vessel The displayed vessel on the
screen
OFF
merchant 1
Other input/output Settings, Screen 10
Screen 10, Oscilloscope Screen.
This screen shows oscillator program of receiver output versus time and half screen echo-gram.
Soft Key 1. PRINT screen Print screen.
Soft Key 2 TRANSDUCER 200, 50, 38 Transducer selection for Soft key 3
Soft Key 3 LOCATION Pos?,not installed, (Pos? is default setting) If “NOT installed” is selected
for one of the Frequenses it will not be available in
screen 2,soft key 2.
Fwd, Aft, Port, Strb To select position of transducer
Fwd/Aft, Port/Strb 2 Transducers with Transducer selector (ENS518)
See page 52 Remote Transducer selector
See page 53 for Nmea sentence
Soft Key 4. GAIN 0 - 100% Gain Adjustment.
Soft Key 5 TVG 0 - 100% Time Variable Gain Adjustment.
Soft Key 6 POWER 0 - 100% Transmitter power adjustment.
If you have Transducers at different frequencies at different parts of the vessel, you can indicate where it is mounted. The setting for this are on this screen
Setting What it does Connection Is it USED? / Setting Default
Transducer 38 Selects settings for this chan-
nel. LOCATION, GAIN, TVG,
POWER
Transducer 50 Selects settings for this chan-
nel
Transducer 200 provides a voltage or current
out to external repeaters/sys-
tems
J100
Pins 29-31
J100
Pin 26-28
J100
Pin 32-34
Location?
FWD AFT PORT STRB
Location?
FWD AFT PORT STRB
Location?
FWD AFT PORT STRB
POS ??
POS ??
POS ??
Power Max output power (Low
frequencies are sometimes
limited)
GAIN Input gain 20%
TVG Time variable gain 36%
50%
Wiring
ADVICE: Take a picture of the wiring before you start. and the setup screens
Fill in relevant information in the yellow areas.
Note the colours in the table opposite, If you have cables with the same colour mark the cables.
Note all the cable connections on your dispaly. You may have up to three transducers connected simultainiously. In addition you may have NMEA, Pulse and alarm connections.
J100 Connection table (Write the colour of the connected cables in this table)
Pin No Function Colout of connected wire Pin
No
1 +24V 17
2 24V Ground 18
3 Alarm common 19
4 Alarm NO 20 Analog depth
5 Alarm NC 21 Analog Ref
6 Pulses 100/200
p/NM (speed
in)
7 Pulses 100/200
p/NM (speed
in)
8 24
9 25
10 Remote Keyb+
Remote Alarm
Reset
11 Remote Keyb - *Note 27 Xdcr 50kHz
12 +24/ inhibit + *Note 28 Xdcr 50kHz
13 Inhibit - 29 Xducer Scrn
14 30 Xdcr 38kHz
15 31 Xdcr 38kHz
16 32 Xducer Scrn
*Note 26 Xducer Scrn
22 Analog Depth
23 Analog Ref
33 Xdcr 200kHz
34 Xdcr 200kHz
Function Colout of connected wire
10v
4-20mA
*Note: If the device has a remote keyboard. The Jumper JP200 must be in place (betwen Blue relay and
black diode in picture)
SKIPPER RP200
Remote keybord
Changing the unit
The unt is now ready for changing. Turn off the power supplies (Turn off the power at fuse box) Remove the
connectors and remove the unit.
If you have a mounting adapter, use this on the new cabinet and re-mount.
Replace the wires as before.
Power on.
Press the left and right soft key until the unit beeps 4 times (master reset)
Go through the setup screens and reset the unit as it was.
Warning: Quickly turning off and on the display may result in a black screen. In this case wait for 30 seconds before turning on again.
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